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參數(shù)資料
| 型號(hào)： | MAX6691 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 熱敏電阻 |
| 英文描述： | Four-Channel Thermistor Temperature-to-Pulse- Width Converter |
| 中文描述： | 四通道、熱敏電阻溫度至脈寬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 2/7頁 |
| 文件大?。?/td> | 151K |
| 代理商： | MAX6691 |
M
Four-Channel Thermistor Temperature-to-Pulse-
Width Converter
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V
CC
to GND...........................................................-0.3V to +6.0V
All Other Pins to GND.................................-0.3V to (V
CC
+ 0.3V)
I/O, R+, R-, T1
–
T4 Current................................................±20mA
ESD Protection (Human Body Model) .............................±2000V
Continuous Power Dissipation (T
A
= +70
°
C)
10-Pin μMAX (derate 5.6mW/
°
C above +70
°
C)........444.4mW
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Note 1:
Specification limits over temperature are guaranteed by design, not production tested.
Operating Temperature Range .........................-55
°
C to +125
°
C
Junction Temperature......................................................+150
°
C
Storage Temperature Range.............................-65
°
C to +150
°
C
Lead Temperature (soldering, 10s).................................+300
°
C
ELECTRICAL CHARACTERISTICS
(V
CC
= 3.0V to 5.5V, T
A
= -55
°
C to +125
°
C, unless otherwise noted. Typical values are specified at V
CC
= 3.3V and T
A
= +25
°
C.) (Note1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
0.5
1.0
5.5
600
10
1.0
1.32
0.2
UNITS
T
A
= +25
°
C, V
CC
= 3.3V
T
A
= T
MIN
to T
MAX
T
HIGH
/T
LOW
Accuracy
V
REXT
% FS
Supply Voltage Range
Supply Current
Sleep-Mode Supply Current
Input Leakage Current
Reference Voltage Output
Reference Load Regulation
Reference Supply Rejection
V
CC
I
CC
3.0
V
During conversion, no load
300
3.5
μA
μA
μA
V
%
%
I
STANDBY
I
LEAKAGE
V
REF
I
REF
= 1mA, T
A
= +25
°
C
0 < I
REF
< 2mA
1.19
1.24
0.1
0.2
Logic Input Low Voltage
V
IL
0.3
V
CC
V
Logic Input High Voltage
V
IH
0.7
V
CC
V
TIMING CHARACTERISTICS
(V
CC
= 3.0V to 5.5V, T
A
= -55
°
C to +125
°
C, unless otherwise noted. Typical values are specified at V
CC
= 3.3V and T
A
= +25
°
C.)
(Figure 1) (Note1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
500
102
4.9
MAX
UNITS
ns
ms
ms
μs
μs
μs
ns
ns
Glitch Immunity on I/O Input
Conversion Time
Nominal Pulse Width
Start Pulse Width
Data Ready Pulse Width
Error Pulse Width
Rise Time
Fall Time
t
CONV
t
LOW
t
START
t
READY
t
ERROR
t
RISE
t
FALL
86
4.0
5
103
103
156
7.5
122
122
600
600
188
188
C
L
= 15pF, R
L
= 10k
C
L
= 15pF, R
L
= 10k
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